Rolex Air-King 40mm Oystersteel Watch – Black Aviation Dial

Basic Information

Brand: Rolex
Collection: Air-King
Style: Men’s Automatic Mechanical Watch

Case & Exterior

Case Material: Oystersteel (904L Stainless Steel)
Case Diameter: 40mm
Case Thickness: Approximately 11.5mm
Bezel: Fixed Smooth Oystersteel Bezel
Crystal: Scratch-Resistant Sapphire Crystal (Flat)
Water Resistance: 100 meters (10 ATM / 330 feet)
Crown: Screw-Down Twinlock Crown with Double Waterproof Sealing System
Case Back: Solid Screw-Down Case Back

Dial & Markers

Dial Color: Black
Hour Markers: Arabic Numerals (3, 6, 9) with Minute Scale Markers (5–55)
Hands: Central Hour, Minute, and Seconds Hands (Green Seconds Hand Accent)
Luminous Display: Chromalight Luminescent Material Applied to Hands and Hour Markers

Movement & Performance

Movement Type: Automatic Mechanical Movement
Frequency: 28,800 Vibrations per Hour (4Hz)
Jewels: 31 Ruby Jewels
Power Reserve: Approximately 48 Hours
Anti-Magnetic Protection: Equipped with a Soft Iron Inner Case, Resistant to Magnetic Fields up to 1,000 Gauss
Balance Spring: Parachrom Blue Paramagnetic Hairspring

Bracelet & Clasp

Bracelet Type: Oyster Three-Link Bracelet
Bracelet Material: Oystersteel (904L Stainless Steel)
Clasp: Oysterclasp Folding Safety Clasp with Accidental Opening Prevention System